Embodiments of the present disclosure disclose a method and an apparatus for bearing a flexible Ethernet service on an optical transport network (OTN). The method includes extracting a flexible Ethernet service from a flexible Ethernet service layer; performing data division on the flexible Ethernet service to obtain at least two data queues, where each data queue carries a queue identifier; mapping each data queue into an OTN container, where the OTN container includes an optical channel data unit-k (ODUk) container or an optical channel data unit flexible container; and sending the OTN containers to an OTN. By using the embodiments of the present disclosure, bandwidth utilization can be improved, and network construction costs of an OTN can be reduced.
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